''Catasetum deltoideum'', the triangular catasetum, is a species of
orchid found from
Guyana
Guyana ( or ), officially the Cooperative Republic of Guyana, is a country on the northern mainland of South America. Guyana is an indigenous word which means "Land of Many Waters". The capital city is Georgetown. Guyana is bordered by the ...
,
French Guiana,
Suriname
Suriname (; srn, Sranankondre or ), officially the Republic of Suriname ( nl, Republiek Suriname , srn, Ripolik fu Sranan), is a country on the northeastern Atlantic coast of South America. It is bordered by the Atlantic Ocean to the north ...
and
Brazil.
Description
This medium-sized orchid is
epiphytic
An epiphyte is an organism that grows on the surface of a plant and derives its moisture and nutrients from the air, rain, water (in marine environments) or from debris accumulating around it. The plants on which epiphytes grow are called phoroph ...
in forest at higher elevations.
It has oblong-fusiform stems (
pseudobulbs) carrying deciduous, ridged, many nerved, oblong-lanceolate, acute leaves. The leaves 4–5. Inflorescence arching to horizontal, 8-10 flowered.
Male flowers
resupinate
Resupination is derived from the Latin word ''resupinus'', meaning "bent back
with the face upward" or "on the back". "Resupination" is the noun form of the adjective "resupine" which means "being upside-down, supine or facing upward".
The word " ...
, triangular. sepals and petals are lanceolate, dark green marked with maroon. lip also triangular, white. Female flowers green. sepals and petals recurved.
References
deltoideum
{{Cymbidieae-stub